# Casey Hand — Software Engineer

Seattle-based software engineer. Builds open source MCP (Model Context Protocol) servers in TypeScript and the framework that powers them. 70+ published projects, 3,000+ GitHub stars, 500K+ downloads. Open to full-time or contract work in AI/LLM tooling and infrastructure.

## What he builds

**mcp-ts-core** — TypeScript framework for building MCP servers. Declarative tool definitions, pluggable auth, multi-backend storage, OpenTelemetry, Node.js and Cloudflare Workers support. Every server below is built on it.

65 MCP servers are publicly accessible at `https://<subdomain>.caseyjhand.com/mcp`. An additional 20+ are available via npm. Server domains:

- **Research & academia**: arXiv, bioRxiv, BrAPI, ClinicalTrials.gov, Crossref, Ensembl, GBIF Biodiversity, OpenAlex, ORCID, PubChem, PubMed + more via npm
- **Government & public data**: BLS, CDC Health, Census, Congress.gov, CourtListener, EIA Energy, EUR-Lex, Eurostat, FCC Broadband, FEMA, GDELT, NIST NVD, OpenFDA, OpenFEC, ReliefWeb, SEC EDGAR, USASpending, WHO GHO, World Bank
- **Environment & geospatial**: Aviation Weather, Earthquake, Exchange Rates, IMF, NOAA CDO, NOAA Marine, NOAA Space Weather, NWS Weather, Open Meteo, OpenStreetMap, USGS Water, WSDOT, OneBusAway
- **Knowledge & social**: Bluesky, Hacker News, Library of Congress, Open Food Facts, Open Library, Open States, PokéAPI, Smithsonian, Socrata, Stack Exchange, Wikidata, Wikipedia
- **Security**: NIST NVD, OSV Advisory, Pentest
- **Utilities**: Calculator, DevOps Status, Reference Data + npm-only: Git, Obsidian, Filesystem, Toolkit, ntfy, Mailchimp, Pixoo, WHOIS
- **Economics & policy** (npm only): OECD
- **AI integrations** (npm only): Mentor (DeepSeek), Perplexity

## Where to find full details

- **Full server inventory**: https://caseyjhand.com/servers.md
- **Bio and contact**: https://caseyjhand.com/about.md
- **Machine-readable hosted endpoints**: https://caseyjhand.com/.well-known/api-catalog
- **GitHub profile**: https://github.com/cyanheads
- **Resume (JSON)**: https://caseyjhand.com/resume.json

## Contact

casey@caseyjhand.com | https://caseyjhand.com | Open to remote full-time and contract work.